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87 changes: 87 additions & 0 deletions
87
packages/d2-crud-plus-extends/src/file-uploder/lib/uploader/form/ajax.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| function getError (action, option, xhr) { | ||
| let msg | ||
| if (xhr.response) { | ||
| msg = `${xhr.response.error || xhr.response}` | ||
| } else if (xhr.responseText) { | ||
| msg = `${xhr.responseText}` | ||
| } else { | ||
| msg = `fail to post ${action} ${xhr.status}` | ||
| } | ||
|
|
||
| const err = new Error(msg) | ||
| err.status = xhr.status | ||
| err.method = 'post' | ||
| err.url = action | ||
| return err | ||
| } | ||
|
|
||
| function getBody (xhr) { | ||
| const text = xhr.responseText || xhr.response | ||
| if (!text) { | ||
| return text | ||
| } | ||
|
|
||
| try { | ||
| return JSON.parse(text) | ||
| } catch (e) { | ||
| return text | ||
| } | ||
| } | ||
|
|
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| export default function upload (option, onSuccess, onError) { | ||
| if (typeof XMLHttpRequest === 'undefined') { | ||
| return | ||
| } | ||
|
|
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| const xhr = new XMLHttpRequest() | ||
| const action = option.action | ||
|
|
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| if (xhr.upload) { | ||
| xhr.upload.onprogress = function progress (e) { | ||
| if (e.total > 0) { | ||
| e.percent = e.loaded / e.total * 100 | ||
| } | ||
| option.onProgress(e) | ||
| } | ||
| } | ||
|
|
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| const formData = new FormData() | ||
|
|
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| if (option.data) { | ||
| Object.keys(option.data).forEach(key => { | ||
| formData.append(key, option.data[key]) | ||
| }) | ||
| } | ||
|
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| formData.append(option.filename, option.file, option.file.name) | ||
|
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| xhr.onerror = function error (e) { | ||
| // option.onError(e) | ||
| onError(e) | ||
| } | ||
|
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| xhr.onload = function onload () { | ||
| if (xhr.status < 200 || xhr.status >= 300) { | ||
| return option.onError(getError(action, option, xhr)) | ||
| } | ||
|
|
||
| // option.onSuccess(getBody(xhr)) | ||
| onSuccess(getBody(xhr)) | ||
| } | ||
|
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| xhr.open('post', action, true) | ||
|
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| if (option.withCredentials && 'withCredentials' in xhr) { | ||
| xhr.withCredentials = true | ||
| } | ||
|
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| const headers = option.headers || {} | ||
|
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| for (let item in headers) { | ||
| if (headers.hasOwnProperty(item) && headers[item] !== null) { | ||
| xhr.setRequestHeader(item, headers[item]) | ||
| } | ||
| } | ||
| xhr.send(formData) | ||
| return xhr | ||
| } |
24 changes: 24 additions & 0 deletions
24
packages/d2-crud-plus-extends/src/file-uploder/lib/uploader/form/index.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| import config from '../../config' | ||
| import ajax from './ajax' | ||
| export default { | ||
| beforeUpload (file, custom) { | ||
| let fileName = file.name | ||
| console.log('-----------开始上传----------', fileName) | ||
| return new Promise(resolve => { | ||
| resolve({}) | ||
| }) | ||
| }, | ||
| doUpload (option, custom, context) { | ||
| return new Promise((resolve, reject) => { | ||
| console.log('-----', option) | ||
| ajax(option, | ||
| (res) => { | ||
| resolve(config.form.successHandle(res)) | ||
| }, | ||
| (e) => { | ||
| option.onError(e) | ||
| reject(e) | ||
| }) | ||
| }) | ||
| } | ||
| } |
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